HDBOCRYishun

Block 509C Yishun Ave 4

509C Yishun Ave 4, Singapore 763509

Reviewed by Nathan TangUpdated 10 August 2026Data through Jun 2026 (HDB)
Quick Summary

Block 509C Yishun Ave 4 is an HDB block in Yishun, completed in 2016, with 96 dwelling units. Across 26 resales on record, 5-Room flats have recently resold around S$605k (S$574 psf, 93 sqm). The lease has approximately 91 years remaining.

1

What are the key facts about Block 509C Yishun Ave 4?

Key Takeaway

Block 509C Yishun Ave 4 is an HDB block in Yishun, completed in 2016, with 96 dwelling units.

Town
Yishun
Planning area
Yishun
Completed
2016
Storeys
13
Total units
96
Flat model
Model A · Improved
Market segment
OCR
Median resale
S$605k
Last transacted
Jun 2026
Remaining lease
≈ 91 years
2

What are resale prices at Block 509C Yishun Ave 4?

Key Takeaway

5-Room flats have recently resold around S$605k (S$574 psf), from 26 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room18S$555,000recent93 sqmS$554 psf
5-Room8S$650,000recent113 sqmS$534 psf

Live now: 0 flats listed for sale at this block and 3 for rent search all listings.

“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Jun 2026.

3

What rent and yield does Block 509C Yishun Ave 4 get?

Key Takeaway

Flats at Block 509C Yishun Ave 4 have recently sublet for a median of S$3,300/mo, an indicative gross rental yield of about 6.5% (from 3 recent rental contracts).

Median rent

S$3,300/mo

3 recent contracts

Gross rental yield

6.5%

indicative, gross

Annual rent

S$39,600

median × 12 months

Flat typeContractsMedian rent
4-Room3S$3,300/mo

HDB subletting requires the flat owner to have met the 5-year Minimum Occupation Period (MOP), so the rental sample per block is small — treat the yield as indicative. Latest contract Dec 2024. Source: HDB rental (subletting) data.

4

What has recently sold at Block 509C Yishun Ave 4?

Key Takeaway

Block 509C Yishun Ave 4 has 26 recorded resales; the most recent transacted at S$775,000 in Jun 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Jun 20265-Room10 TO 12113 sqmS$775,000
Jun 20265-Room07 TO 09113 sqmS$775,000
Apr 20264-Room01 TO 0393 sqmS$575,000
Mar 20265-Room10 TO 12113 sqmS$750,000
Aug 20244-Room01 TO 0393 sqmS$555,000
Jul 20244-Room10 TO 1293 sqmS$605,000
Jul 20245-Room04 TO 06113 sqmS$706,888
Mar 20244-Room07 TO 0993 sqmS$580,888
Nov 20234-Room10 TO 1293 sqmS$560,000
Aug 20235-Room01 TO 03113 sqmS$628,000
Jun 20235-Room01 TO 03113 sqmS$615,000
Jun 20234-Room10 TO 1293 sqmS$565,000
5

What flat types are in Block 509C Yishun Ave 4?

Key Takeaway

Block 509C Yishun Ave 4 has 96 units, mostly 4-Room flats of the Model A / Improved model.

Unit stock by flat type, from the HDB property information dataset.

4-Room: 725-Room: 24
6

Where is Block 509C Yishun Ave 4?

Key Takeaway

Block 509C Yishun Ave 4 is an HDB block in Yishun.

Block 509C Yishun Ave 4 is an HDB block located along Yishun Ave 4. The block is recorded as completed around 2016, with up to 13 storeys. It has an estimated 96 residential units based on the HDB property information dataset. Flat types in the block include 4-room and 5-room units.

The address is Block 509C Yishun Ave 4, Singapore 763509. It is part of District 27, Yishun / Sembawang, the Yishun planning area. The block falls within the North Region and the OCR market segment.

The nearest rail connection is Khatib MRT, approximately 895m away, around 14 minutes on foot. Nearby amenities include Junction 9 for shopping, NTUC Fairprice Co-operative Ltd for groceries, Khatib Polyclinic for polyclinic services, and Nee Soon South Community Club for community facilities.

7

How far is Block 509C Yishun Ave 4 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 509C Yishun Ave 4 is Khatib MRT, about 895 m away (~14 min walk). 5 schools are within 1 km, including 2 primary schools.

Getting around

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Naval Base Primary SchoolPrimary schoolwithin 1 km · P1 priority287 m
  • Orchid Park Secondary SchoolSecondary schoolwithin 1 km306 m
  • Chung Cheng High School (Yishun)Secondary schoolwithin 1 km643 m
  • Northland Primary SchoolPrimary schoolwithin 1 km · P1 priority744 m
  • Northbrooks Secondary SchoolSecondary schoolwithin 1 km895 m
  • Peiying Primary SchoolPrimary school1.2 km
  • Naval Base Secondary SchoolSecondary school1.2 km
  • Huamin Primary SchoolPrimary school1.5 km

Shops, food & parks

Mall: Junction 9 · 1.8 kmSupermarket: NTUC Fairprice Co-operative Ltd · 553 m

Straight-line distances from the block. Source: PropKaki amenities data.

8

What does it cost to buy a flat at Block 509C Yishun Ave 4?

Key Takeaway

Buying a flat at Block 509C Yishun Ave 4 (~S$605k) needs about S$4,823/mo in income and S$2,272/mo in repayments, after S$12,750 stamp duty and a S$151k downpayment.

Illustrative, for a buyer at the recent median resale price (S$605k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →

Buyer's Stamp Duty

S$12,750

BSD, tiered

Downpayment (25%)

S$151k

cash + CPF

Monthly instalment

S$2,272/mo

25y @ 3.5%

Income required

S$4,823/mo

MSR/TDSR @ stress rate

First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.

Wondering whether it will hold its value? See do HDB flats actually make money? →

Keep going in the PropKaki app

Eyeing Block 509C Yishun Ave 4? Ask what it's worth.

Recent transacted prices, what's nearby, and whether an asking price is fair.

PropKaki
What have flats at Block 509C Yishun Ave 4 sold for recently?

Recent sales at Block 509C Yishun Ave 4 land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 509C Yishun Ave 4

How much does a 5-Room flat at Block 509C Yishun Ave 4 cost?

5-Room flats at Block 509C Yishun Ave 4 have recently resold for a median of about S$605k (S$574 psf), from 26 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

What are resale prices at Block 509C Yishun Ave 4 by flat type?

4-Room ≈ S$555k; 5-Room ≈ S$650k (median resale, HDB caveats).

Is Block 509C Yishun Ave 4 worth buying given its remaining lease?

Block 509C Yishun Ave 4 has about 91 years left on its 99-year lease (completed 2016). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.

What is the rental yield at Block 509C Yishun Ave 4?

Gross rental yield at Block 509C Yishun Ave 4 is about 6.5%, based on a median subletting rent of about S$3,300/mo against a resale price of about S$605k. HDB subletting requires the owner to have met the 5-year MOP, so the per-block sample is small — treat this as indicative.

How much do I need to earn to buy a flat at Block 509C Yishun Ave 4?

For a flat at about S$605k on a 25-year HDB-style loan, you'd need roughly S$4,823/mo in household income, with repayments around S$2,272/mo after a S$151k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

What is the nearest MRT to Block 509C Yishun Ave 4?

The nearest MRT/LRT station to Block 509C Yishun Ave 4 is Khatib MRT, about 895 m away (~14 min walk).

Which primary schools are within 1 km of Block 509C Yishun Ave 4?

Naval Base Primary School, Northland Primary School are within 1 km of Block 509C Yishun Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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